<?php
/**
 *
 * 스트링 연산
 *
 */

class utilSbuf
{
    protected $sBuf = null;

    public function __construct()
    {
        $this->sBuf = array();
    }

    public function push($str)
    {
        $this->sBuf[] = $str;
    }

    public function toString()
    {
        return join('', $this->sBuf);
    }
}
